Table 2-3. Secondary power supplies (continued)
Part
identifier
Manufacturing
part number
Part
manufacturer
Power
supply
Specifications Description
which are normally open
(unmounted).
NOTE:
Filtered OVDD
power is also
supplied to the
core CPU PLLs
(AVDD[1:5] and
AVDD_D[1:2]).
U17 MC34717EP/R2 NXP
Semiconductors
SD_OVDD 1.8 V at 5 A ±3% accuracy Supplies power to the
LX2160A SerDes I/O
drivers
SD_SVDD 0.92 V at 5 A ±3% accuracy Supplies power to the
LX2160A SerDes cores
U20 MC34712EP NXP
Semiconductors
VTT1 0.6 V at 3 A Supplies power to the
DDR#1 UDIMM memory
termination power
U21 MC34712EP NXP
Semiconductors
VTT2 0.6 V at 3 A Supplies power to the
DDR#2 UDIMM memory
termination power
U24 LTC3026EMSE Linear
Technology
SD_AVDD 0.9 V at 1.5 A Supplies power to the
LX2160A SerDes PLLs.
NOTE:
Filtered SD_AVDD
power is supplied to
SerDes1, SerDes2 and
SerDes3 PLLs
(AVDD_SD[1:3]_PLLF
and
AVDD_SD[1:3]_PLLS).
U22 LTC3026EMSE Linear
Technology
USB_SVDD 0.8 V at 1.5 A Supplies power to the
LX2160A USB PHY super
speed (SS) and high
speed (HS) power
supplies
U34 NX5P2924BUK NXP
Semiconductors
USB_HVDD_S
W
3.3 V at 1 A Supplies power to the 3.3
V USB PHY HS power
supply
U33 FPF1321UCX ON
Semiconductor
EVDD 1.8 V or 3.3 V at 1 A eSDHC I/O power.
NOTE:
EVDD can
change between
1.8 V and 3.3 V
on command of
the SDHC IP
block for certain
board
configurations.
NOTE:
FPF1321UCX is a
power switch, not
a power supply.
Table continues on the next page...
Power supplies
QorIQ LX2160A Reference Design Board Reference Manual, Rev. 0, 09/2018
22 NXP Semiconductors